Crosscut-sawing apparatus.



N. HANSEN.

GROSSGUT SAWlNG APPARATUS.

APPLICA'MON FILED APB.5,1913.

1,1 10,777. Patented sept. 15, 1914.

5 SHEETS-SHEET 1,

y im

N. HANSEN. CROSSGUT sAWlNG APPARATUS.

APPLICATION FILED APR. 5, 1913. 1 l 1 0,777 Patented Sept. 1,5, 1914.

' 5 SHEETS-SHEET 2.

'HIL- MORRIS PETERb ULL, PHOTO-LITHO., WASHINGTON, n, C. I

N. HANSEN. cRosscUT sAwmG APPARATUS.

APPLICATION FILED APR-5. 1913.

Patented Sept. 15. 1914.

5 SHEETS-SHEET 3.

NNN. m. N

N. HANSEN. GROSSGUT SAWING APPARATUS.

APPLICATION FILED APR. 5, 1913. 1,1 10,777. Patented Sept. 15, 1914.

5 SHEETS-SHEET 4.

THE No'r'ms PETERS C0.. P-HDTO-LITHO.. WASHINGTUN, D. C.

N. HANSEN. GROSSGUT sAWlNG APPARATUS.

` APPLICATION FILED APR.5,1913. l ,1 1 0,777. Patented sept. 15, 1914.

. 5 sHBETs-sHBBT s.

SWW/whoa 35 l adjustable in order to accommodate the saw i saw blade.

NIELs HANSEN. or s'ranwoon, wAsrrinGToN.

CROSSCUT-SAl/VNG APPARATUS.

Specification of Letters Patent.

Patented sept. 1s, 1914..

Application led April 5, 1913. Serial No. 759,068. i

To all whom t may concern.'

Be it known that I, NinLs HANSEN, a citizen of the United States, residing at Stanwood, in the county of Snohomish and State of Washington, have invented a new and useful Crosscut-Sawing Apparatus; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to malreanduse the same.

rlhis invention relates to that class of cross cut sawing apparatus, which is so constructed and operated in such wise and by a single operator, whereby a large saw may be reciprocated for cutting largelogs and the like.

An object of the invention is to provide a portable sawing apparatus of this nature having a rocking shaftincluding a device thereon provided with cable" connections with two rocking members (which oscillate correspondingly) between which a cross cut saw is connected. Asthe rocking members oscillate, the saw blade moves transversely of the logto be severed.

Another object of the invention is the provision of carriages vertically adjustable in guides of the frame of the apparatus, in which carriages the rocking members are mounted. By adjusting .the carriages vertically, the saw blade is correspondingly adjusted, whereby a log may be completely severed.

Another object of the invention is the provision of a pair of saw guides vertically blade at all times.

Another object of the invention is the provision of means of tightening or loosening the cable connections between the rocking members and the device upon the rocking shaft. f 1

Another objectof the invention is to proa' vide means for 'adjusting the cable'pconnections between the rocking `members and the` The invention comprises further features f Y and combination of parts, as hereinafter set f 'I side elevation of the improved portable sawthe swiveled connections to a turn tablei forth, shown in the drawings and claimed. 1

In the draw1ngs:-F1gure 1 is a view'in ing apparatus. Fig. 2 is a sectional view on line 2-2 of Fig. 1. Fig. 3 is a detailperspective view of the lower portion of one end of the frame of the apparatus, showing legs 19.

(which is provided with rollers or wheels), for supporting the frame. F ig. 4 `is aseotional view on line 4 1 of Fig. 1.' Fig 5 is a sectional view on line 5`5 of Fig 1. Fig. 6 is a detail perspective view, showing the vertically adjustablesaw guides. Fig. T ris a detail perspective view showing a portion of the frame of the apparatus anda portion of a drum (about which the cable connections of the saw guide and the carriages are wound) andthe `means for holding the drum in adjusted positions. Fig. 8 a view in side elevation of the rocking shaft including the rocking device. Fig. 9

isa detail perspective view of the rocking shaft including the rocking device, showing the'means 4for `loosening or tightening the cable connectionsr between the rocking device and theoscillatory members. Fig. 10 is a sectional view through the rocking shaft and rocking device. Fig. l1 is a detail view Aof the meansk carried `by the rocking device for holding the cable connections between the device and the oscillatorymembers adjusted; Fig. 12 `isa sectionalview through one ofthe oscillatory members.

Referring moreV especially to the drawings, 1 designates the frame of the improved sawing apparatus, which frame comprises the end standards 2 and 3 `connected by the longitudinal bars 4. The lower ends ofthe standards 2 and 3 are connected by the transverse bars 5 and 6, to which the turn tables 7 are swiveled, by means of the bolts 8 having nuts 9. The turn tables 7-are'provided with mortise openings 10to receive l the lugs 11 of the bearings 12, in which the shafts or axles 13 are journaled. Suitable rollersor wheels 14 are mounted upon the axles or shafts. Suitablewashers 15 are interposed between the yturn tables and the bars 5, whereby the turn tablesr may swivel easily. ylil'xtendinglaterally from one of the bars 4 are bars 16, which connect at '17 to an auxiliary supporting frame 18, comprising andare provided with lugs'20 at their lower ends, whichV lugs are" secured in mortised openings 21 of the plates 22, by means of the set screws 23. Secured in the plates 22 by These legs y19v extend angularly, 531' suitable set screwsf`2l are axles 25 having wheels or rollers l26'. By they provision of the turn tables andthe rollers 14:, andthe plates 22 including the rollers or Wheels r26,

the apparatus i'srendered portable or movable from placeto place. VIn other words, l

the apparatus may'be moved in such wise,

as to straddle or arch a log or the like 27 to be severed or cut, asshown in Fig. 1.

The standards 2 and 3 are provided with guide ribs 28, by which the carriages 29 and 30 are `vertically'guided 'The carriages 29 and 30 are pro-vided with laterally extending lugs 31 and anti-rictional rollers or wheels 32. The lugs 31 engage the ribs 28, while the rollers 32 engage `the standards.

Mounted in suitable bearing 33 ot the carriages'are shafts 34, on whichthe oscillatory or rockingmembers 35 are mounted. The oscillatory members 35 are in the form of semi-circular disks having grooves 36,'which `are engagedby the cable 37-and 38. One end of each cable 37 and 38 isI connected to one end of the sa\ v-blade 39, while the other end of each cable is connected at 40 to aA pulley 41. The .pulleys ;41 are journaled upon the pins 42v (which are mounted in the arms43) and are provided with ratchet teeth 44. The armsv` 43 are secured at `45v to the sides of the semi-circular disks., In Aorder to'tighten or loosen the -cables 37 `and 38, the pulleys 41 maybe partially rotated in one directionk or'theother, there being spring pawls 47 secured at 48 to the semi-' circular disks, to engage the ratchet teeth jection 58 isk a rock shaft59, which is rectangular in cross :sect-ion. VThe bar 57 1s securedto one of the bars 4` at 60, and supported thereby, while the'projection 58 is mortisedl or otherwise connected at 61 to the cross piece'62 of the auxiliary frame 18.

Rockable or movable with the vshaft 59,y owingto its'being rectangularin cross section, is a rocking device 63, which, as clearly shown in the drawings, especially Figs, 1, 9 and 10, isl also inthe 'formgot a semi# circular disk 64 having rtwo grooves 65l and j 66. i Secured to the sides of the `disk .64- byy the-screws or other suitable means 67 fare plates 68, iny bearings of which the shafts `69, 70 and 71 are mounted.y Pulleys 7 2, 73 and 74 are mounted u on the shafts 69, 70 and 71. The pulleyj-72 iskeyed at 75 to rotate `with the shaft 69 The cable 52 engages the groove 66 and also the groove76 of the semi-circulary block 77 and Apasses under the 'pulley 74, and is subsequently A wound once` about the pulleys 72 and connected to the pin 7 8f; while the-cable 53 engages, thegroove ,65 and `the groove "79 of i the semi-circular block 80 and passesunder the pulley 73. The cable 53 passes once about the pulley72, and issubesquently se-` cured to the pin 7 8, By rotating the pulleyv 72 in one direction or the other, the cables 52and 53 may be loosened kor tightened, relative to the cables 37 and r38. Also movabismal the Shaft sa is a disk se having s series of annularly arranged apertures 83, into any one of which a pin 84 is insertable `in orderk to enter the aperture. 85 of vone of the plates 68, whereby the pulley l72 and the disk 82 maybe held inadjusted positions, it depending upon the tension desired of the cables 52 and 53. After the cables 38 and 37 and the cables 52 and 53 are tensioned asdesired,l a rocking motionl may be imparted to the yshaft 59, by oscillating the lever 87 which rocking vdevice 63 vinturn will pull the cables 52 and 53v backward andforward, thereby imparting oscillatory movements to theoscillatory members or disks 35, and owing to the cable connections reciprocatory movement transverselyof the log.4 As the saw blade cuts'deeper through the log, itjis adjustedvertic'ally, owing. to the .cables 89 and` 90, which pass overl the `37and 38, thewsaw blade-39 will receive a pulleys 91 and are connected atl 92a to the carriages 29 and 30. ln order to raise and lower the carriages,the cables 89 and 90 are passed about one end of the drum 92 in opposite directions andsecured thereto, as at 93. The drum 92 moves with theshaft 94, one end of which has a disk 95 movable therewith. The disk 95 has a series of apertures 96, into any one of which the pin 97 is insertible. Whenthe pin-97 is inserted in `one of the apertures ,96, `it also enters the aperture 980i the horizontal portion 9901". the upwardly extending supplemental frame 100, in order to holdvthe drum v92 in adjusted positions, thereby suitably supporting the carriages throughthe medium yof the cables 89 and 90 in their adjusted posi` tions. v

Clamped or otherwise secured tof,A one of the. bars 4 bythe plates 101 and the' screws 102 are the vertical bars 103 having oppositely arranged longitudinal grooves 104. The vertical bars 3 are recessed to receive the b ar. 4,l said recesses are designated by the numerals 105. Suitable blocks or members 106 having `'ff-shaped yopenings 107 "i l 120 (which conform tol the cross sectional con-` tour of portions of? the barsy 103) lare providedand guided by the grooves 104, Secured to and carried by the;blocks or mem` bers 106 are saw 'bladeguides 109'having slots to receive the saw'blade. These guides 109 act to hold the blade in its proper plane", during its reciprocation, when cuttingfa` log the log. and is adjusted, the blocks or members 106. together -With the v,saw guides 109 4or the like, andasthe sawv cuts deeper in f so as to prevent movement ofthe apparatus.r It will be seen that in Fig. 1 the wheels 14: and 26 are disposed at'right angles to each other, which likewise prevents movement are correspondingly adjusted, by virtue of the cables 110, the lower ends of which connect at 111 to the blocks or `members 106,

` while their upper portions are connected to and wound about oneendotthedrum` 92. The cables 110 pass over the pulleys 112 oi' the vertical bars 103. As the` car` riages are adjusted, by opei'atiiig the drum 92, the saw guides are likewise adjustedat the same time.. f n

It is to be ascertained from the foregoing, there yhas been devised a novel ande-licient cross cut sawing apparatus, which is `port` able or movablefrom placeto'place,'iior sawing logs in the forests or thelike, and

vone which has been found essentially desirable and practical. x As will be observed there are only four wheels, on which the apparatus is mounted, one oneaoh turn table 7, and one on each` of the apparatus. Howevenuwlien it is desired to move the machine theturn tables 7 may be moved or partially rotated, so that the e wheels 14 may move in the same direction as the wheels 26. rlhe plates 22 also have oil holes, to receive the screws 24, which are provided or the purpose of preventing the axles 25 from turning, still further pre` venting the frame of the apparatus from moving. In lieu of sawing a single log, a plurality'of small logs or the like may be the logs severed or cut simultaneously.

The invention hc ving been set forth, whatis 'claimed as new and useful is l. In a log `sawing apparatus, a saw.

bound together, by any suitable means, and p blade mounted so as to be reciprocated, and

a single rockingdevice having connections with each end of the saw blade forreciproeating the blade, said connections including `oscillatory members, and means for adjustingftlie oscillatory members vertically.y

2. In a log sawing, apparatus, a frame e having adjustablefsawiguides, a saw blade mounted/inthe guides sofas to be recipro-y cated, ,a singlegrocliing device mounted in bearings of the I frame .super-imposed' above the saw,'said frame having additional guides, oscillatory members Madgustably p mounted in said additional guides, one be`` yond each end of thesaw, connections to the ends of the-`bl'ade, which connections .in turn are adjustablyconnected,'to the oscil-v latory members, additionalconnections to `the upper portions of the oscillatory,meinbers, which additional connections are adjust-ably connected to thef singlefroclring member, and means` for adjusting the oscilf latory members vertically.. e. p

In testimony whereof I have signed my two subscribing witnesses. p

` NIELS HANSEN, e Witnesses p i i GEO. M. MITCHELL, E. L. HOGAN.

Copies of this patent may be obtained for ve cents each.,` by addressing the f Commissioner o f kfPatents,` ,i i i.

Washington, D. C.

naine to this speciication in the presence of 

